If the greatest common factor of natural numbers a and B is 1, then the least common multiple of a and B is () A. Abb. AC. BD. cannot be determined

If the greatest common factor of natural numbers a and B is 1, then the least common multiple of a and B is their product ab

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1. A = 2x3xm, B = 3x5xm. A, the greatest common factor of B is 21, M = ()
2. A = 2x3xm, B = 3x5xm, if the greatest common factor of B is 21, then M is? AB, and the least common multiple is?
3. m. If n * 6 = m, what is the least common multiple of M and N
4. M / N = 8 (M and N are non-zero natural numbers) what is the least common multiple of M and N?
5. A is a non-zero natural number, B = a + 1, the greatest common factor of a and B is (), and the least common multiple is ()? Please! Hurry!
6. If a / b = 1 1 (A. B is a non-zero natural number), then the greatest common factor of a and B is (), and the least common multiple is ()
7. A / b = 10 (a, B are non-zero natural numbers), then what is the greatest common factor of a and B? What is the least common multiple?
8. A △ B = 8 (A.B is a non-zero natural number), then the greatest common factor of A.B is (), and the least common multiple is ()
9. M and N are two adjacent non-zero natural numbers. Their greatest common factor is 1 and their least common multiple is?
10. a. B is two different prime numbers, then the greatest common factor of a and B is______ The least common multiple of a and B is______ ．
11. a. B is two non-zero natural numbers, and a △ B = 7, then the least common multiple of a and B is () and the greatest common factor is ()
12. A and B are two adjacent natural numbers, so what must a and B be? What is their greatest common factor and least common multiple?
13. a. B is two adjacent non-zero natural numbers, then the greatest common factor of a and B is (), and the least common multiple of a and B is () The waist length of an isosceles triangle is 5 decimeters, and its area is Finding the least common multiple of each group 12 and 8 7 and 4 9 and 6 Find the greatest common factor of each group of numbers below 12 and 24 10 and 18 9 and 4 Find out the equal score 45 / 66, 95 / 25, 139 / 133 / 2 / 3 Three fifths, two fifths
14. a. B is two different prime numbers, then the greatest common factor of a and B is______ The least common multiple of a and B is______ ．
15. If a and B are two adjacent non-zero natural numbers, then the greatest common factor of a and B is and the least common multiple is The number a is 15 times the number B, and the least common multiple of the two numbers is []
16. It is known that the difference between two natural numbers is 2, and the sum of their least common multiple and greatest common divisor is 42
17. If the difference between two natural numbers is 2 and the sum of their greatest common divisor and least common multiple is 42, then the two natural numbers are
18. It is known that the difference between two natural numbers is 2, and the difference between their least common multiple and greatest common divisor is 142
19. The greatest common divisor of two natural numbers is 18, and the least common multiple is 108,
20. The greatest common divisor of two natural numbers is L2, and the least common multiple is 144